67822879 has 2 divisors, whose sum is σ = 67822880. Its totient is φ = 67822878.

The previous prime is 67822861. The next prime is 67822891. The reversal of 67822879 is 97822876.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67822879 - 2⁵ = 67822847 is a prime.

It is equal to p_3997489 and since 67822879 and 3997489 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67822819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33911439 + 33911440.

It is an arithmetic number, because the mean of its divisors is an integer number (33911440).

Almost surely, 2^67822879 is an apocalyptic number.

67822879 is a deficient number, since it is larger than the sum of its proper divisors (1).

67822879 is an equidigital number, since it uses as much as digits as its factorization.

67822879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 49.

The square root of 67822879 is about 8235.4647106281. The cubic root of 67822879 is about 407.8108163512.

The spelling of 67822879 in words is "sixty-seven million, eight hundred twenty-two thousand, eight hundred seventy-nine".